20120595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 15234285

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 197, 591, 619, 985, 1857, 2167, 2955, 3095, 6501, 6809, 9285, 10835, 20427, 32505, 34045, 102135, 121943, 365829, 609715, 1341373, 1829145, 4024119, 6706865, 20120595]

約数ペア:

[(1, 20120595), (3, 6706865), (5, 4024119), (11, 1829145), (15, 1341373), (33, 609715), (55, 365829), (165, 121943), (197, 102135), (591, 34045), (619, 32505), (985, 20427), (1857, 10835), (2167, 9285), (2955, 6809), (3095, 6501)]